When installing the water heater as a Type C53 appliance, it should be noted that the terminals
must not be installed on opposite sides of the building.
If the flue temperature sensor is not fitted, the flue gas temperature may exceed the maximum
temperature rating of the flue and can lead to severe personal injury, death or substantial property
damage.
To install a Type C
terminal or air inlet, the procedure for either a Type C
53
be followed noting that the annular space of the terminal should be sealed off.
Typical Twin-Pipe flue arrangement EKW46-EKW61CE
Typical Twin-Pipe flue arrangement EKW86CE
(horizontal) or a Type C
13
33
(vertical) terminal should
32